CVE-2025-39692

In the Linux kernel, the following vulnerability has been resolved: smb: server: split ksmbd_rdma_stop_listening() out of ksmbd_rdma_destroy() We can't call destroy_workqueue(smb_direct_wq); before stop_sessions()! Otherwise already existing connections try to use smb_direct_wq as a NULL pointer.

CVSS v3 5.5 MEDIUM

5.5^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 1.8 / Impact : 3.6

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
https://git.kernel.org/stable/c/003e6a3150299f681f34cb189aa068018cef6a45	Patch
https://git.kernel.org/stable/c/212eb86f75b4d7b82f3d94aed95ba61103bccb93	Patch
https://git.kernel.org/stable/c/524e90e58a267dad11e23351d9e4b1f941490976	Patch
https://git.kernel.org/stable/c/bac7b996d42e458a94578f4227795a0d4deef6fa	Patch
https://git.kernel.org/stable/c/e41e33400516702427603f8fbbec43c91ede09c0	Patch
https://lists.debian.org/debian-lts-announce/2025/10/msg00008.html	Mailing List Third Party Advisory
https://cert-portal.siemens.com/productcert/html/ssa-032379.html

Configurations

Configuration 1 (hide)

OR	cpe:2.3:o:linux:linux_kernel::::::::
	cpe:2.3:o:linux:linux_kernel::::::::
	cpe:2.3:o:linux:linux_kernel::::::::
	cpe:2.3:o:linux:linux_kernel::::::::
	cpe:2.3:o:linux:linux_kernel:6.17:rc1::::::
	cpe:2.3:o:linux:linux_kernel:6.17:rc2::::::

Configuration 2 (hide)

cpe:2.3:o:debian:debian_linux:11.0:*:*:*:*:*:*:*

History

19 Oct 2026, 21:10

Type	Values Removed	Values Added
Summary		(es) En el kernel de Linux, la siguiente vulnerabilidad ha sido resuelta: smb: servidor: separar ksmbd_rdma_stop_listening() de ksmbd_rdma_destroy() ¡No podemos llamar a destroy_workqueue(smb_direct_wq); antes de stop_sessions()! De lo contrario, las conexiones ya existentes intentan usar smb_direct_wq como un puntero NULL.

Information

Published : 2025-09-05 18:15

Updated : 2026-10-19 21:10

NVD link : CVE-2025-39692

Mitre link : CVE-2025-39692

CVE.ORG link : CVE-2025-39692

JSON object : View

Products Affected

debian

debian_linux

linux

linux_kernel

CWE

CWE-476

NULL Pointer Dereference

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